Tropical Cyclone Bobby
● Data reliability: ReliableWeather satellites monitored it throughout, so its track and intensity are relatively accurate (Atlantic and E. Pacific since 1966, other basins since 1980).
Bobby at 1984-02-17 02:00:00 (BeijingTime) 在South Indian Ocean首次被记录, peak intensity 为Category 3 tropical cyclone , max wind 约 43.7 m/s (1 分钟平均) , minimum central pressure 950 hPa, at 1984-02-23 20:00:00前后结束, total 记录 28 track points (6 h一个) .
| Time (BeijingTime) | Position | Category (local) | wind speed m/s | Pressure hPa |
|---|
| 1984-02-17 02:00 | -15.6°S, 119.8°E | Tropical Depression | 12.9 | - |
| 1984-02-17 14:00 | -16.9°S, 119.1°E | Tropical Depression | 15.4 | - |
| 1984-02-18 02:00 | -17.7°S, 118.3°E | Tropical Depression | 18 | 995 |
| 1984-02-18 14:00 | -18.3°S, 116.9°E | Category 1 Tropical Cyclone | 23.1 | 975 |
| 1984-02-19 02:00 | -18.2°S, 115.7°E | Category 1 Tropical Cyclone | 25.7 | 970 |
| 1984-02-19 14:00 | -18.2°S, 114.6°E | Category 2 Tropical Cyclone | 33.4 | 965 |
| 1984-02-20 02:00 | -18.6°S, 113.2°E | Category 3 tropical cyclone | 38.6 | 955 |
| 1984-02-20 14:00 | -19.1°S, 112.0°E | Category 3 tropical cyclone | 38.6 | 955 |
| 1984-02-21 02:00 | -20.1°S, 110.8°E | Category 3 tropical cyclone | 38.6 | 955 |
| 1984-02-21 14:00 | -21.9°S, 110.0°E | Category 3 tropical cyclone | 43.7 | 955 |
| 1984-02-22 02:00 | -23.6°S, 109.6°E | Category 3 tropical cyclone | 38.6 | 964 |
| 1984-02-22 14:00 | -24.3°S, 109.0°E | Category 2 Tropical Cyclone | 28.3 | 980 |
| 1984-02-23 02:00 | -25.2°S, 107.1°E | Category 1 Tropical Cyclone | 20.6 | 986 |
| 1984-02-23 14:00 | -26.5°S, 104.2°E | Tropical Depression | 15.4 | 992 |
| 1984-02-23 20:00 | -27.0°S, 103.0°E | Tropical Depression | 16.5 | 998 |
Data sources: NOAA National Centers for Environmental Information IBTrACS v04r01 (Knapp et al., 2010), code 1984048S16120 / SH241984. This basin has no official Chinese translation name, so the original English name is used. Intensity categories follow the local agency classification in the basin (converted from 1-min sustained wind by the WMO factor), for reference only. Data notes · Incorrect translation?
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